Depends on which cards you're selling. If you had a Michael Jordan rookie, then lots. If you have maybe, a Jordan Farmar card, then you won't have much luck.
It matters who they are of and how old they are.
It depends what kind of cards you have stupid
go to beckett.com and subscribe for a subscription of their magazine for a year. This is how you find basketball, baseball, soccer, wrestling, tennis, football, hockey, and nascar cards their value.
rtftyou
u look it up online
Value of a basketball card depends on the player, type and rarity. Current market value can be looked up on ebay's completed sales. Most common cards are probably worth very little.
the cards now value is about 900,000 dollars
Depends on the card and the condition. A good place to start looking to find a value is eBay.
close to 90 dollars
1997 upper deck crunch time 9secs
You can buy an unopened box on ebay for as little as $29.
you can buy any basketball cards before christmas.